/*
 *
 *  * Licensed to the Apache Software Foundation (ASF) under one
 *  * or more contributor license agreements.  See the NOTICE file
 *  * distributed with this work for additional information
 *  * regarding copyright ownership.  The ASF licenses this file
 *  * to you under the Apache License, Version 2.0 (the
 *  * "License"); you may not use this file except in compliance
 *  * with the License.  You may obtain a copy of the License at
 *  *
 *  *     http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  * Unless required by applicable law or agreed to in writing, software
 *  * distributed under the License is distributed on an "AS IS" BASIS,
 *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  * See the License for the specific language governing permissions and
 *  * limitations under the License.
 *
 */

package org.apache.paimon.trino.fileio;

import org.apache.paimon.fs.PositionOutputStream;

import java.io.IOException;
import java.io.OutputStream;

/** Wrapper of {@link OutputStream}. */
public class PositionOutputStreamWrapper extends PositionOutputStream {

    private final OutputStream outputStream;

    private long position;

    public PositionOutputStreamWrapper(OutputStream outputStream) {
        this(outputStream, 0);
    }

    public PositionOutputStreamWrapper(OutputStream outputStream, long startPosition) {
        this.outputStream = outputStream;
        this.position = startPosition;
    }

    @Override
    public long getPos() {
        return position;
    }

    @Override
    public void write(int b) throws IOException {
        position++;
        outputStream.write(b);
    }

    @Override
    public void write(byte[] bytes) throws IOException {
        position += bytes.length;
        outputStream.write(bytes);
    }

    @Override
    public void write(byte[] bytes, int off, int len) throws IOException {
        position += len;
        outputStream.write(bytes, off, len);
    }

    @Override
    public void flush() throws IOException {
        outputStream.flush();
    }

    @Override
    public void close() throws IOException {
        outputStream.close();
    }
}
